/*
* Copyright 2013-2016 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.cloud.netflix.hystrix.security;
import javax.annotation.PostConstruct;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.condition.AllNestedConditions;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.cloud.netflix.hystrix.security.HystrixSecurityAutoConfiguration.HystrixSecurityCondition;
import org.springframework.context.annotation.Conditional;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.core.context.SecurityContext;
import com.netflix.hystrix.Hystrix;
import com.netflix.hystrix.strategy.HystrixPlugins;
import com.netflix.hystrix.strategy.concurrency.HystrixConcurrencyStrategy;
import com.netflix.hystrix.strategy.eventnotifier.HystrixEventNotifier;
import com.netflix.hystrix.strategy.executionhook.HystrixCommandExecutionHook;
import com.netflix.hystrix.strategy.metrics.HystrixMetricsPublisher;
import com.netflix.hystrix.strategy.properties.HystrixPropertiesStrategy;
/**
* @author Daniel Lavoie
*/
@Configuration
@Conditional(HystrixSecurityCondition.class)
@ConditionalOnClass({ Hystrix.class, SecurityContext.class })
public class HystrixSecurityAutoConfiguration {
@Autowired(required = false)
private HystrixConcurrencyStrategy existingConcurrencyStrategy;
@PostConstruct
public void init() {
// Keeps references of existing Hystrix plugins.
HystrixEventNotifier eventNotifier = HystrixPlugins.getInstance()
.getEventNotifier();
HystrixMetricsPublisher metricsPublisher = HystrixPlugins.getInstance()
.getMetricsPublisher();
HystrixPropertiesStrategy propertiesStrategy = HystrixPlugins.getInstance()
.getPropertiesStrategy();
HystrixCommandExecutionHook commandExecutionHook = HystrixPlugins.getInstance()
.getCommandExecutionHook();
HystrixPlugins.reset();
// Registers existing plugins excepts the Concurrent Strategy plugin.
HystrixPlugins.getInstance().registerConcurrencyStrategy(
new SecurityContextConcurrencyStrategy(existingConcurrencyStrategy));
HystrixPlugins.getInstance().registerEventNotifier(eventNotifier);
HystrixPlugins.getInstance().registerMetricsPublisher(metricsPublisher);
HystrixPlugins.getInstance().registerPropertiesStrategy(propertiesStrategy);
HystrixPlugins.getInstance().registerCommandExecutionHook(commandExecutionHook);
}
static class HystrixSecurityCondition extends AllNestedConditions {
public HystrixSecurityCondition() {
super(ConfigurationPhase.REGISTER_BEAN);
}
@ConditionalOnProperty(name = "feign.hystrix.enabled", matchIfMissing = false)
static class HystrixEnabled {
}
@ConditionalOnProperty(name = "hystrix.shareSecurityContext")
static class ShareSecurityContext {
}
}
}